How much funding has Phosphorus Cybersecurity raised?

Phosphorus Cybersecurity has raised $70M in total. Its most recent round was a Venture Round in April 2025.

How many people work at Phosphorus Cybersecurity?

About 70, up 2% over the last 30 days.

Who are Phosphorus Cybersecurity's competitors?

Cyolo, Upstream, and Finite State are among the closest in Cyber-Physical Security. The full competitive set, with overlap scoring, is in the platform.

Phosphorus Cybersecurity

Cyber-Physical SecurityNashville, United Statesfounded 2017acquired by Dragos

Phosphorus Cybersecurity is a cybersecurity company specializing in Cyber-Physical Security, founded in 2017 and headquartered in Nashville, United States. It has raised $70M in total funding, employs about 70 people, and was acquired by Dragos in 2026.

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updated Aug 22, 2026

The record

What Phosphorus Cybersecurity did, dated.

Jun 2026AcquiredDragos Acquires Phosphorus to Bring OT-Native Cybersecurity to the Full xOT Environment
Mar 2026RecognitionPhosphorus Cybersecurity Finalist for 2 SC Awards
Nov 2025Pricing changePhosphorus Declares Independence from Opaque CPS Security Pricing and Passive Discovery Vendors
Sep 2025Exec changePhosphorus Names Brett Raphael as Chief Revenue Officer

Momentum

42 out of 100.

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Products

What Phosphorus Cybersecurity sells.

In the platform

The other 440 data points.

Funding historyevery round, every lead investor
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security

Similar in Cyber-Physical Security

FAQ

Common questions about Phosphorus Cybersecurity.

How much funding has Phosphorus Cybersecurity raised?: Phosphorus Cybersecurity has raised $70M in total. Its most recent round was a Venture Round in April 2025.
How many people work at Phosphorus Cybersecurity?: About 70, up 2% over the last 30 days.
Who are Phosphorus Cybersecurity's competitors?: Cyolo, Upstream, and Finite State are among the closest in Cyber-Physical Security. The full competitive set, with overlap scoring, is in the platform.